private bool ElgInitialize()
{
prevEglContext = EGL14.EglGetCurrentContext();
prevEglDisplay = EGL14.EglGetCurrentDisplay();
prevEglSurfaceRead = EGL14.EglGetCurrentSurface(EGL14.EglRead);
prevEglSurfaceDraw = EGL14.EglGetCurrentSurface(EGL14.EglDraw);
eglDisplay = EGL14.EglGetDisplay(EGL14.EglDefaultDisplay);
if (eglDisplay == EGL14.EglNoDisplay)
{
return(false);
}
int[] version = new int[2];
if (!EGL14.EglInitialize(eglDisplay, version, 0, version, 1))
{
return(false);
}
// Configure EGL for recording and OpenGL ES 2.0.
int[] attribList =
{
EGL14.EglRedSize, 8,
EGL14.EglGreenSize, 8,
EGL14.EglBlueSize, 8,
EGL14.EglAlphaSize, 8,
EGL14.EglRenderableType, EGL14.EglOpenglEsBit,
EGL_RECORDABLE_ANDROID, 1,
EGL14.EglNone
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
EGL14.EglChooseConfig(eglDisplay, attribList, 0, configs, 0, configs.Length, numConfigs, 0);
CheckEglError();
// Configure context for OpenGL ES 2.0.
int[] attrib_list =
{
EGL14.EglContextClientVersion, 1,
EGL14.EglNone
};
eglContext = EGL14.EglCreateContext(eglDisplay, configs[0], EGL14.EglNoContext, attrib_list, 0);
CheckEglError();
int[] surfaceAttribs = { EGL14.EglNone };
eglSurface = EGL14.EglCreateWindowSurface(eglDisplay, configs[0], surface, surfaceAttribs, 0);
CheckEglError();
EGL14.EglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext);
CheckEglError();
return(true);
}